Dewanti, Sintha Sih, Rahmawati, and Sumardi. “Problem-Based Learning With Manipulative Media: Enhancing Elementary Students’ Conceptual Understanding in Area and Volume”. Jurnal Ilmiah Sekolah Dasar 8, no. 3 (January 7, 2025): 487–499. Accessed March 9, 2025. https://ejournal.undiksha.ac.id/index.php/JISD/article/view/80221.